K1 visa nigeria Letter of invitation. Letter of invitation from your host in Nigeria. If going to friends or loved ones, you have to present letter of invitation While using the Call information of the host and visitor, goal and period of the visit, affirmation of accommodation including the tackle, https://www.quora.com/profile/Africred/7-Ways-Africred-is-Shaping-the-Education-Sector-in-Sub-Saharan-Africa-https-africred-org-https-africred-org-visa-a